Home / 556,350,176.82-767,764,754.81-305,470,818.42

Finding the Fourth Proportional to 556,350,176.82, 767,764,754.81 and 305,470,818.42

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Solution

The fourth proportional to 556,350,176.82, 767,764,754.81 and 305,470,818.42 is: 421,550,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350,176.82 : 767,764,754.81 = 305,470,818.42 : x
  2. Step 2: Convert to fraction form
    556,350,176.82/767,764,754.81 = 305,470,818.42/x
  3. Step 3: Cross multiply
    556,350,176.82x = 767,764,754.81 × 305,470,818.42
  4. Step 4: Simplify right side
    556,350,176.82x = 234,529,728,005,841,312
  5. Step 5: Solve for x
    x = 234,529,728,005,841,312/556,350,176.82
  6. Step 6: Final answer
    x = 421,550,558.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.